C++11 code generation

[nigels-com]

I implemented a code generator for C++11 in Python. If you're at all interested in merging this back into your repo I'm happy to tidy it up some more and take your guidance on it.

Thanks for the super-convenient JSON! 👍

-- Nigel

#!/bin/getenv python

import json
import codecs

input = codecs.open("all/all.json", 'r', 'UTF-8')

h   = codecs.open("all/all.h",  'w', 'UTF-8')
cpp = codecs.open("all/all.cpp", 'w', 'UTF-8')

dom = json.load(input)

h.write('''
#pragma once

#include <string>

    struct Country
    {
        std::string  name;
        std::string  alpha_2;
        std::string  alpha_3;
        std::string  country_code;
        std::string  region_code;
        std::string  region;
        std::string  sub_region;
    };

    const Country * findByName  (const std::string &);
    const Country * findByAlpha2(const std::string &);
    const Country * findByAlpha3(const std::string &);
    const Country * findByCode  (const std::string &);

''')

cpp.write('''
#include "all.h"

#include <map>

''')

cpp.write("const Country country[%d] = {\n" % len(dom))
for i in dom:
    cpp.write('  { "%s", "%s", "%s", "%s", "%s", "%s", "%s" },\n'%(i["name"], i["alpha-2"], i["alpha-3"], i["country-code"], i["region-code"], i["region"], i["sub-region"]))
cpp.write("};\n\n");

cpp.write("const std::map<std::string, const Country *> countryByName = {\n" )
index = 0;
for i in dom:
    cpp.write('  { "%s", &country[%d] },\n'%(i["name"], index))
    index = index + 1
cpp.write("};\n\n")

cpp.write("const std::map<std::string, const Country *> countryByAlpha2 = {\n" )
index = 0;
for i in dom:
    cpp.write('  { "%s", &country[%d] },\n'%(i["alpha-2"], index))
    index = index + 1
cpp.write("};\n\n")

cpp.write("const std::map<std::string, const Country *> countryByAlpha3 = {\n" )
index = 0;
for i in dom:
    cpp.write('  { "%s", &country[%d] },\n'%(i["alpha-3"], index))
    index = index + 1
cpp.write("};\n\n")

cpp.write("const std::map<std::string, const Country *> countryByCode = {\n" )
index = 0;
for i in dom:
    cpp.write('  { "%s", &country[%d] },\n'%(i["country-code"], index))
    index = index + 1
cpp.write("};\n\n")

cpp.write("""

const Country * findByName(const std::string & name)
{
    auto i = countryByName.find(name);
    return i==countryByName.end() ? NULL : i->second;
}

const Country * findByAlpha2(const std::string & name)
{
    auto i = countryByAlpha2.find(name);
    return i==countryByAlpha2.end() ? NULL : i->second;
}

const Country * findByAlpha3(const std::string & name)
{
    auto i = countryByAlpha3.find(name);
    return i==countryByAlpha3.end() ? NULL : i->second;
}

const Country * findByCode(const std::string & name)
{
    auto i = countryByCode.find(name);
    return i==countryByCode.end() ? NULL : i->second;
}

""")